In the fourth quarter, tablet shipments rose to 9.7 million from 4.4 million in the third quarter, according to researcher Strategy Analytics. Though Apple had 75% market share in the most recent period, its...

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digits: iPad Loses Market Share to Android

In the fourth quarter, Apple's share of the tablet market fell to 75% from 96%, while Android saw its market share increase to 22% from just 2.3%. Julia Angwin discusses with Simon Constable.